Nickel, a coin of the US with a value of 5 cents, and a weight of 5 grams, made of cupro-nickel they were issued to replace the silver half-dime.

Shield Design 1866-1883
Obverse- Shield
Reverse- 5 in a circle of stars
During the US civil war most silver in circulation vanished, as it was being horded, the government issued paper note in place of small coins. By 1864 the note were in such bad condition that many of the 114,000,000 five cent notes issued could not be redeemed because official could not tell if they were counterfeit. Back by powerful mining interests, Congress approved the Coinage Act of May 16, 1866 that called for a 5-cent coin to replace the 5-cent notes. Designed by James Longacre

Liberty Head 1883-1913
Obverse – Liberty
Reverse – V in wreath
This coin was trouble at the mint from the first coin to the last in 1913. This series is the first has the first mintmark marked coins when in 1912 dies were send to San Francisco and Denver. Designed by Charles Barber

The 5-cent 5-dollar gold piece: Are you joshing me?
1913 Liberty Head Nickel: Making 3rd Shift Pay

Buffalo Nickel 1913-1938
Obverse – Native American Chief Reverse - Buffalo
No US coin says America more than the Buffalo Nickels. Loved by collector and non-collectors alike these coins are always in demand, with even coins with the dates worn off sell fast. Designed by James Earle Fraser.

How to Grade a Buffalo Nickel
3 legged nickel

Jefferson Nickel 1938-
Obverse-Thomas Jefferson
Reverse-Monticello
Felix Schlag won the $1,000 prize the design the new nickel in 1935 with his breathtaking design. However once again the mint meddled until the coin no longer had the artist merit that the winning design had. Collector of this series looks for coins with six full steps on the reverse. These full step coin can begin huge amounts with compared to there none step brothers. Example; 1964D without full steps Unc. $ .30, with full steps over $1000.

Wartime Nickels
How not to counterfeit
1950D Nickel
1966 Proof nickel beyond rare
Why are their so many 1964 nickels?